Finding the Fourth Proportional to 101,176.38, 139,616.24 and 55,847.09
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Solution
The fourth proportional to 101,176.38, 139,616.24 and 55,847.09 is: 77,065.02
Step by Step Solution
- Step 1: Write the proportion equation
101,176.38 : 139,616.24 = 55,847.09 : x - Step 2: Convert to fraction form
101,176.38/139,616.24 = 55,847.09/x - Step 3: Cross multiply
101,176.38x = 139,616.24 × 55,847.09 - Step 4: Simplify right side
101,176.38x = 7,797,159,743.42 - Step 5: Solve for x
x = 7,797,159,743.42/101,176.38 - Step 6: Final answer
x = 77,065.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.